26 lines · cpp
1// RUN: %clangxx_msan -O0 %s -o %t && %run %t %p 2>&12// RUN: %clangxx_msan -O0 -D_FILE_OFFSET_BITS=64 %s -o %t && %run %t %p 2>&13// RUN: %clangxx_msan -O3 %s -o %t && %run %t %p 2>&14 5#include <assert.h>6#include <unistd.h>7 8#include <sanitizer/msan_interface.h>9 10int main(int argc, char *argv[]) {11 uid_t uids[6];12 assert(0 == __msan_test_shadow(uids, 6 * sizeof(uid_t)));13 assert(0 == getresuid(&uids[0], &uids[2], &uids[4]));14 for (int i = 0; i < 3; i++)15 assert(sizeof(uid_t) ==16 __msan_test_shadow(uids + 2 * i, 2 * sizeof(uid_t)));17 18 gid_t gids[6];19 assert(0 == __msan_test_shadow(gids, 6 * sizeof(gid_t)));20 assert(0 == getresgid(&gids[0], &gids[2], &gids[4]));21 for (int i = 0; i < 3; i++)22 assert(sizeof(gid_t) ==23 __msan_test_shadow(gids + 2 * i, 2 * sizeof(gid_t)));24 return 0;25}26